CVE-2020-36402: High severity solidity vulnerability

Published Jul 1, 2021
·
Updated

Solidity 0.7.5 has a stack-use-after-return issue in smtutil::CHCSmtLib2Interface::querySolver. NOTE: c39a5e2b7a3fabbf687f53a2823fc087be6c1a7e is cited in the OSV "fixed" field but does not have a code change.

Affected Software

2 affected components
Soliditylang Solidity=0.7.5
Linux Linux kernel

Event History

Jul 1, 2021
CVE Published
via MITRE·02:51 AM
Data Sourced
via MITRE·02:51 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2020-36402?

CVE-2020-36402 is classified as a medium severity vulnerability due to its potential to exploit a stack-use-after-return issue.

2

How do I fix CVE-2020-36402?

To mitigate CVE-2020-36402, it is recommended to upgrade to a newer version of Solidity that addresses this vulnerability.

3

What impact does CVE-2020-36402 have on Solidity 0.7.5?

CVE-2020-36402 can potentially allow attackers to exploit the stack-use-after-return condition, leading to unexpected behavior or crashes.

4

Is CVE-2020-36402 present in other versions of Solidity?

CVE-2020-36402 specifically affects Solidity version 0.7.5; other versions may not be impacted unless explicitly stated.

5

What components are affected by CVE-2020-36402?

CVE-2020-36402 affects the smtutil::CHCSmtLib2Interface::querySolver component in Solidity 0.7.5.

Contact

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